COSRX
Hydrium Centella Aqua Soothing Ampoule
A water-light centella ampoule with madecassoside and panthenol, worn after toner and before cream on skin that flushes.
No reviews yet- Ships from our California warehouse
- Duties prepaid
- Suited to
- SensitiveCompromised barrierReactiveDry
- Helps with
- Barrier weaknessVisible redness and reactivityDehydration
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- Duties prepaid
- 30-day returns
- Free US shipping on orders of $100 or more
- Dispatched within 2 business days
How it works
An ampoule that is mostly water is bought for what it carries rather than for weight, and this one carries centella asiatica extract with madecassoside, allantoin and panthenol. It goes on after toner and before moisturizer, morning and evening, on skin that is still damp. Skin that reads warm and patchy rather than simply dry is the case it fits, and a heavier cream on its own does not answer that. It is thin enough to layer under another serum if the routine already has one. Twice a day, and the cream over the top is what holds it there.
Key benefits
- Centella asiatica extract is the second ingredient on the list
- Madecassoside deepens the centella story
- Panthenol and allantoin comfort a stressed-feeling barrier
- Absorbs fast with no tack, even on blemish-prone skin
Key actives
Centella Asiatica Extract
the calming heart of the formula, second on the list
Madecassoside
centella-derived calm for reactive skin
Panthenol
vitamin B5 that comforts and hydrates
COSRX Hydrium Centella Aqua Soothing Ampoule
What does the Hydrium Centella Aqua Soothing Ampoule actually contain to calm skin?
Centella asiatica extract sits second on the list, right after water, with madecassoside, one of centella's purified compounds, further down alongside allantoin and panthenol. Chondrus crispus, a red seaweed extract, and sugarcane extract add to the water-holding base, while betaine helps carry moisture without a heavy feel. Together this reads as a soothing-forward formula built on centella rather than a single isolated extract.
Is this ampoule appropriate for reactive or blemish-prone skin?
There is no fragrance, essential oil or added colourant on the ingredient list, and silicone, denatured alcohol and mineral oil are all absent too, which is generally a lower-irritation profile for skin that flares easily. It is also a water-light gel rather than an oil-based formula, so it does not leave the occlusive film that can feel heavy on blemish-prone skin. Patch testing is still the only way to confirm your own skin's reaction.
How long before the calming effect actually shows?
Redness and reactivity tend to ease with repeated use rather than in a single application, since centella's purified compounds and allantoin work by supporting the skin's own comfort over time rather than numbing it instantly. Skin under active stress from weather, actives or a new routine typically needs several days of consistent use before it feels calmer. It is a maintenance step, not a rescue product for the same afternoon.
Can this be layered with a retinoid or exfoliating acid step?
The ampoule's own ingredient list contains no actives that would react badly with a retinol or acid step used elsewhere in a routine, since it is built from extracts, humectants and panthenol rather than exfoliants. A common approach is to use this ampoule on the nights an acid or retinol product is not in rotation, or right after it once skin has calmed. Check the label of whatever else you are combining it with.
How do I know this Hydrium ampoule is the authentic Korean-market version?
The barcode printed on this unit, 8809598450660, is the original Korean-market code rather than a US label pasted over it. COSRX handles its own authenticity check: go to the verification page on cosrx.com and enter the batch number and expiration date exactly as printed on your box, since reading it off your own unit rather than trusting a seller's claim is how that system is meant to be used.
- Ships from
- California
Duties are prepaid. Nothing is owed at delivery. Returns are accepted for 30 days, by mail.
Orders ship from our California warehouse, dispatched within 2 business days, and arrive in 3 to 5 days. Shipping is free on orders of $100 or more.
We split shipments free, so one out-of-stock item never holds up the rest of your order.
Where this unit came from
- 1Seoul
Bought as Korean-market stock - 2Customs
Duty paid by us before it enters the US - 3California
Ships domestically, no international leg
We stock the version of a formula that is sold in Korea, not the release a brand prepares for another market under the same name.
Every unit keeps its original barcode and batch code intact, so the unit in your hands can be checked against the brand’s own records.
Import duties are paid by us before the parcel reaches you, so nothing is owed at the door, and returns run for 30 days.
Every claim on this page traces to the unit in the box, the barcode, the batch code and the price you can read for yourself.
Payment and security
We accept
How to use
- Use the Hydrium Centella Aqua Soothing Ampoule after toner and before moisturizer, morning and evening.
- A few drops pressed over the face, keeping clear of the eyelids and the corners of the mouth.
- Toner first, this second, then moisturizer while the layer underneath is still damp.
- Twice a day. Do not add it to a routine with a new exfoliating acid in the same week if skin is already flushed.
Reviews
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COSRX, Korean-market original
Centella soothing ampoule, 40 ml, with Centella Extract and Madecassoside.
Verify your unit when it arrives
Verify your unit when it arrives
Korean-market stock with the original barcode and batch code intact, exactly as it left Korea.
COSRX verifies units itself. Find the verification page on cosrx.com and enter the batch number and expiration date printed on your unit. Read them off the package rather than from us, which is the point.
Source: COSRX FAQ
On the unit itself
- The Korean-market barcode, unaltered from the retail package.
- The manufacturer’s batch code, exactly as the maker printed it.
정품Genuine article, Korean-market stock
What professionals say
What professionals say
What skin-care professionals say about the key actives in this formula, quoted from the medical sources linked beside each.
Centella can make your skin appear more hydrated, plumper and healthier.
Samantha Stein, PA-CDermatology physician assistant, Cleveland Clinic Small, preliminary studies suggest that madecassoside can dial down inflammatory cellular messengers called cytokines, including those that are typically turned on during an acne flare.
Whitney Bowe, MDDermatologist, Byrdie
1 more professional perspective
Pantothenol is a common ingredient in skin care and hair products I recommend, particularly for people who are prone to dryness.
Taylor Bullock, MDDermatology resident, Cleveland Clinic
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